diff --git a/generated/Service/Orders.php b/generated/Service/Orders.php
index 2a68c82..eba13f9 100644
--- a/generated/Service/Orders.php
+++ b/generated/Service/Orders.php
@@ -111,16 +111,21 @@ public function showOrderDetails($id, $fields): Order
      *
      * @param $patchRequest mixed
      *
-     * @throws ApiException
+     * @param $payPalPartnerAttributionId string
+     *
      * @return void
+     *@throws ApiException
      */
-    public function updateOrder($id, array $patchRequest): void
+    public function updateOrder($id, array $patchRequest, string $payPalPartnerAttributionId = ''): void
     {
         $path = "/orders/{$id}";
 
         $headers = [];
         $headers['Content-Type'] = 'application/json';
 
+        if ($payPalPartnerAttributionId) {
+            $headers['PayPal-Partner-Attribution-Id'] = $payPalPartnerAttributionId;
+        }
 
         $body = json_encode($patchRequest, true);
         $response = $this->send('PATCH', $path, [], $headers, $body);
@@ -146,7 +151,6 @@ public function validatePaymentMethod($payPalClientMetadataId, $id, OrderValidat
         $headers['PayPal-Client-Metadata-Id'] = $payPalClientMetadataId;
         $headers['Content-Type'] = 'application/json';
 
-
         $body = json_encode($orderValidateRequest, true);
         $response = $this->send('POST', $path, [], $headers, $body);
         $jsonData = json_decode($response->getBody(), true);
@@ -162,16 +166,18 @@ public function validatePaymentMethod($payPalClientMetadataId, $id, OrderValidat
      *
      * @param $confirmOrderRequest mixed
      *
+     * @param $payPalPartnerAttributionId string
+     *
      * @param $prefer string The preferred server response upon successful completion of the request. Value
      * is:<ul><li><code>return=minimal</code>. The server returns a minimal response to optimize communication
      * between the API caller and the server. A minimal response includes the <code>id</code>, <code>status</code>
      * and HATEOAS links.</li><li><code>return=representation</code>. The server returns a complete resource
      * representation, including the current state of the resource.</li></ul>
      *
-     * @throws ApiException
      * @return Order
+     *@throws ApiException
      */
-    public function confirmTheOrder($payPalClientMetadataId, $id, ConfirmOrderRequest $confirmOrderRequest, $prefer = 'return=minimal'): Order
+    public function confirmTheOrder($payPalClientMetadataId, $id, ConfirmOrderRequest $confirmOrderRequest, string $payPalPartnerAttributionId = '', $prefer = 'return=minimal',): Order
     {
         $path = "/orders/{$id}/confirm-payment-source";
 
@@ -180,6 +186,9 @@ public function confirmTheOrder($payPalClientMetadataId, $id, ConfirmOrderReques
         $headers['Content-Type'] = 'application/json';
         $headers['Prefer'] = $prefer;
 
+        if ($payPalPartnerAttributionId) {
+            $headers['PayPal-Partner-Attribution-Id'] = $payPalPartnerAttributionId;
+        }
 
         $body = json_encode($confirmOrderRequest, true);
         $response = $this->send('POST', $path, [], $headers, $body);
@@ -204,6 +213,8 @@ public function confirmTheOrder($payPalClientMetadataId, $id, ConfirmOrderReques
      * merchant. For details, see <a
      * href="/docs/api/reference/api-requests/#paypal-auth-assertion">PayPal-Auth-Assertion</a>.
      *
+     * @param $payPalPartnerAttributionId string
+     *
      * @param $prefer string The preferred server response upon successful completion of the request. Value
      * is:<ul><li><code>return=minimal</code>. The server returns a minimal response to optimize communication
      * between the API caller and the server. A minimal response includes the <code>id</code>, <code>status</code>
@@ -213,7 +224,7 @@ public function confirmTheOrder($payPalClientMetadataId, $id, ConfirmOrderReques
      * @throws ApiException
      * @return Order
      */
-    public function authorizePaymentForOrder($payPalClientMetadataId, $id, OrderAuthorizeRequest $authorizeRequest, $payPalAuthAssertion, $prefer = 'return=minimal'): Order
+    public function authorizePaymentForOrder($payPalClientMetadataId, $id, OrderAuthorizeRequest $authorizeRequest, $payPalAuthAssertion, string $payPalPartnerAttributionId = '', $prefer = 'return=minimal'): Order
     {
         $path = "/orders/{$id}/authorize";
 
@@ -223,6 +234,9 @@ public function authorizePaymentForOrder($payPalClientMetadataId, $id, OrderAuth
         $headers['PayPal-Auth-Assertion'] = $payPalAuthAssertion;
         $headers['Prefer'] = $prefer;
 
+        if ($payPalPartnerAttributionId) {
+            $headers['PayPal-Partner-Attribution-Id'] = $payPalPartnerAttributionId;
+        }
 
         $body = json_encode($authorizeRequest, true);
         $response = $this->send('POST', $path, [], $headers, $body);
@@ -247,6 +261,8 @@ public function authorizePaymentForOrder($payPalClientMetadataId, $id, OrderAuth
      * merchant. For details, see <a
      * href="/docs/api/reference/api-requests/#paypal-auth-assertion">PayPal-Auth-Assertion</a>.
      *
+     * @param $payPalPartnerAttributionId string
+     *
      * @param $prefer string The preferred server response upon successful completion of the request. Value
      * is:<ul><li><code>return=minimal</code>. The server returns a minimal response to optimize communication
      * between the API caller and the server. A minimal response includes the <code>id</code>, <code>status</code>
@@ -256,7 +272,7 @@ public function authorizePaymentForOrder($payPalClientMetadataId, $id, OrderAuth
      * @throws ApiException
      * @return Order
      */
-    public function capturePaymentForOrder($payPalClientMetadataId, $id, OrderCaptureRequest $orderCaptureRequest, $payPalAuthAssertion, $prefer = 'return=minimal'): Order
+    public function capturePaymentForOrder($payPalClientMetadataId, $id, OrderCaptureRequest $orderCaptureRequest, $payPalAuthAssertion, string $payPalPartnerAttributionId = '', $prefer = 'return=minimal'): Order
     {
         $path = "/orders/{$id}/capture";
 
@@ -266,6 +282,9 @@ public function capturePaymentForOrder($payPalClientMetadataId, $id, OrderCaptur
         $headers['PayPal-Auth-Assertion'] = $payPalAuthAssertion;
         $headers['Prefer'] = $prefer;
 
+        if ($payPalPartnerAttributionId) {
+            $headers['PayPal-Partner-Attribution-Id'] = $payPalPartnerAttributionId;
+        }
 
         $body = json_encode($orderCaptureRequest, true);
         $response = $this->send('POST', $path, [], $headers, $body);
@@ -280,6 +299,8 @@ public function capturePaymentForOrder($payPalClientMetadataId, $id, OrderCaptur
      *
      * @param $id string The ID of the order to save.
      *
+     * @param $payPalPartnerAttributionId string
+     *
      * @param $prefer string The preferred server response upon successful completion of the request. Value
      * is:<ul><li><code>return=minimal</code>. The server returns a minimal response to optimize communication
      * between the API caller and the server. A minimal response includes the <code>id</code>, <code>status</code>
@@ -289,7 +310,7 @@ public function capturePaymentForOrder($payPalClientMetadataId, $id, OrderCaptur
      * @throws ApiException
      * @return Order
      */
-    public function saveOrder($payPalClientMetadataId, $id, $prefer = 'return=minimal'): Order
+    public function saveOrder($payPalClientMetadataId, $id, string $payPalPartnerAttributionId = '', $prefer = 'return=minimal'): Order
     {
         $path = "/orders/{$id}/save";
 
@@ -297,6 +318,9 @@ public function saveOrder($payPalClientMetadataId, $id, $prefer = 'return=minima
         $headers['PayPal-Client-Metadata-Id'] = $payPalClientMetadataId;
         $headers['Prefer'] = $prefer;
 
+        if ($payPalPartnerAttributionId) {
+            $headers['PayPal-Partner-Attribution-Id'] = $payPalPartnerAttributionId;
+        }
 
         $body = null;
         $response = $this->send('POST', $path, [], $headers, $body);
diff --git a/generated/Service/Payments.php b/generated/Service/Payments.php
index ffe2418..3a1c9be 100644
--- a/generated/Service/Payments.php
+++ b/generated/Service/Payments.php
@@ -25,6 +25,8 @@ class Payments extends BaseService
      *
      * @param $authorizeRequest mixed
      *
+     * @param $payPalPartnerAttributionId string
+     *
      * @param $prefer string The preferred server response upon successful completion of the request. Value
      * is:<ul><li><code>return=minimal</code>. The server returns a minimal response to optimize communication
      * between the API caller and the server. A minimal response includes the <code>id</code>, <code>status</code>
@@ -34,7 +36,7 @@ class Payments extends BaseService
      * @throws ApiException
      * @return Authorization
      */
-    public function authorizePayment(AuthorizationRequest $authorizeRequest, $prefer = 'return=minimal'): Authorization
+    public function authorizePayment(AuthorizationRequest $authorizeRequest, string $payPalPartnerAttributionId = '', $prefer = 'return=minimal'): Authorization
     {
         $path = "/authorizations";
 
@@ -42,6 +44,9 @@ public function authorizePayment(AuthorizationRequest $authorizeRequest, $prefer
         $headers['Content-Type'] = 'application/json';
         $headers['Prefer'] = $prefer;
 
+        if ($payPalPartnerAttributionId) {
+            $headers['PayPal-Partner-Attribution-Id'] = $payPalPartnerAttributionId;
+        }
 
         $body = json_encode($authorizeRequest, true);
         $response = $this->send('POST', $path, [], $headers, $body);
@@ -76,6 +81,8 @@ public function showDetailsForAuthorizedPayment($authorizationId): Authorization
      *
      * @param $capture mixed
      *
+     * @param $payPalPartnerAttributionId string
+     *
      * @param $prefer string The preferred server response upon successful completion of the request. Value
      * is:<ul><li><code>return=minimal</code>. The server returns a minimal response to optimize communication
      * between the API caller and the server. A minimal response includes the <code>id</code>, <code>status</code>
@@ -85,7 +92,7 @@ public function showDetailsForAuthorizedPayment($authorizationId): Authorization
      * @throws ApiException
      * @return Capture
      */
-    public function captureAuthorizedPayment($authorizationId, CaptureRequest $capture, $prefer = 'return=minimal'): Capture
+    public function captureAuthorizedPayment($authorizationId, CaptureRequest $capture, string $payPalPartnerAttributionId = '', $prefer = 'return=minimal'): Capture
     {
         $path = "/authorizations/{$authorizationId}/capture";
 
@@ -93,6 +100,9 @@ public function captureAuthorizedPayment($authorizationId, CaptureRequest $captu
         $headers['Content-Type'] = 'application/json';
         $headers['Prefer'] = $prefer;
 
+        if ($payPalPartnerAttributionId) {
+            $headers['PayPal-Partner-Attribution-Id'] = $payPalPartnerAttributionId;
+        }
 
         $body = json_encode($capture, true);
         $response = $this->send('POST', $path, [], $headers, $body);
@@ -115,16 +125,18 @@ public function captureAuthorizedPayment($authorizationId, CaptureRequest $captu
      *
      * @param $reauthorizeRequest mixed
      *
+     * @param $payPalPartnerAttributionId string
+     *
      * @param $prefer string The preferred server response upon successful completion of the request. Value
      * is:<ul><li><code>return=minimal</code>. The server returns a minimal response to optimize communication
      * between the API caller and the server. A minimal response includes the <code>id</code>, <code>status</code>
      * and HATEOAS links.</li><li><code>return=representation</code>. The server returns a complete resource
      * representation, including the current state of the resource.</li></ul>
      *
-     * @throws ApiException
      * @return Authorization
+     *@throws ApiException
      */
-    public function reauthorizeAuthorizedPayment($authorizationId, ReauthorizeRequest $reauthorizeRequest, $prefer = 'return=minimal'): Authorization
+    public function reauthorizeAuthorizedPayment($authorizationId, ReauthorizeRequest $reauthorizeRequest, string $payPalPartnerAttributionId = '', $prefer = 'return=minimal'): Authorization
     {
         $path = "/authorizations/{$authorizationId}/reauthorize";
 
@@ -132,6 +144,9 @@ public function reauthorizeAuthorizedPayment($authorizationId, ReauthorizeReques
         $headers['Content-Type'] = 'application/json';
         $headers['Prefer'] = $prefer;
 
+        if ($payPalPartnerAttributionId) {
+            $headers['PayPal-Partner-Attribution-Id'] = $payPalPartnerAttributionId;
+        }
 
         $body = json_encode($reauthorizeRequest, true);
         $response = $this->send('POST', $path, [], $headers, $body);
@@ -172,6 +187,8 @@ public function voidAuthorizedPayment($authorizationId, $payPalAuthAssertion): v
      *
      * @param $capture mixed
      *
+     * @param $payPalPartnerAttributionId string
+     *
      * @param $prefer string The preferred server response upon successful completion of the request. Value
      * is:<ul><li><code>return=minimal</code>. The server returns a minimal response to optimize communication
      * between the API caller and the server. A minimal response includes the <code>id</code>, <code>status</code>
@@ -181,7 +198,7 @@ public function voidAuthorizedPayment($authorizationId, $payPalAuthAssertion): v
      * @throws ApiException
      * @return Capture
      */
-    public function captureSavedOrderDirectly(OrderCaptureRequest $capture, $prefer = 'return=minimal'): Capture
+    public function captureSavedOrderDirectly(OrderCaptureRequest $capture, string $payPalPartnerAttributionId = '', $prefer = 'return=minimal'): Capture
     {
         $path = "/captures";
 
@@ -189,6 +206,9 @@ public function captureSavedOrderDirectly(OrderCaptureRequest $capture, $prefer
         $headers['Content-Type'] = 'application/json';
         $headers['Prefer'] = $prefer;
 
+        if ($payPalPartnerAttributionId) {
+            $headers['PayPal-Partner-Attribution-Id'] = $payPalPartnerAttributionId;
+        }
 
         $body = json_encode($capture, true);
         $response = $this->send('POST', $path, [], $headers, $body);
@@ -231,6 +251,8 @@ public function showCapturedPaymentDetails($captureId): Capture
      * must identify the merchant using either a PayPal-Auth-Assertion header or an access token with
      * target_subject.</blockquote>
      *
+     * @param $payPalPartnerAttributionId string
+     *
      * @param $prefer string The preferred server response upon successful completion of the request. Value
      * is:<ul><li><code>return=minimal</code>. The server returns a minimal response to optimize communication
      * between the API caller and the server. A minimal response includes the <code>id</code>, <code>status</code>
@@ -240,7 +262,7 @@ public function showCapturedPaymentDetails($captureId): Capture
      * @throws ApiException
      * @return Refund
      */
-    public function refundCapturedPayment($captureId, RefundRequest $refundRequest, $payPalAuthAssertion, $prefer = 'return=minimal'): Refund
+    public function refundCapturedPayment($captureId, RefundRequest $refundRequest, $payPalAuthAssertion, string $payPalPartnerAttributionId = '', $prefer = 'return=minimal'): Refund
     {
         $path = "/captures/{$captureId}/refund";
 
@@ -249,6 +271,9 @@ public function refundCapturedPayment($captureId, RefundRequest $refundRequest,
         $headers['PayPal-Auth-Assertion'] = $payPalAuthAssertion;
         $headers['Prefer'] = $prefer;
 
+        if ($payPalPartnerAttributionId) {
+            $headers['PayPal-Partner-Attribution-Id'] = $payPalPartnerAttributionId;
+        }
 
         $body = json_encode($refundRequest, true);
         $response = $this->send('POST', $path, [], $headers, $body);
diff --git a/src/Onboarding.php b/src/Onboarding.php
index 57696dd..c5dcac6 100644
--- a/src/Onboarding.php
+++ b/src/Onboarding.php
@@ -2,11 +2,6 @@
 
 namespace OxidSolutionCatalysts\PayPalApi;
 
-use OxidSolutionCatalysts\PayPalApi\Model\Partner\Operation;
-use OxidSolutionCatalysts\PayPalApi\Model\Partner\ReferralData;
-use OxidSolutionCatalysts\PayPalApi\Model\Partner\RestApiIntegration;
-use OxidSolutionCatalysts\PayPalApi\Model\Partner\RestApiIntegrationFirstPartyDetails;
-use OxidSolutionCatalysts\PayPalApi\Service\Partner;
 use Psr\Log\LoggerInterface;
 
 class Onboarding extends Client